"Is it a hockey puck? Is it a Duncan yo-yo? Nope, it's a mouse! That's right, this odd looking thing is actually a highly dynamic ball-mouse. Dubbed the Rotokiller: RTR-720 (made by Good Work Systems), this mouse claims to be the ultimate performer when it comes to games. The logic behind the claim is that with its circular design, you can easily move the mouse with your finger tips. This lets you to twist it in ways that enable you to turn, move, and strafe quicker and more precise. Not only this, but its unique buttons enable a user to make quicker mouse-clicks which can result to quicker firing in games."